Stainless Steel 304 / 304L Buttweld Fittings are essential components in piping systems, offering strength, durability, and corrosion resistance. These fittings are widely used in various industries, including chemical processing, food and beverage, pharmaceuticals, and oil and gas, due to their excellent material properties.
Stainless Steel 304 is a versatile and widely used austenitic stainless steel alloy known for its exceptional corrosion resistance. It contains 18% chromium and 8% nickel, which provide its corrosion-resistant properties. Stainless Steel 304L is a low-carbon variation of 304, making it suitable for applications where welding is required without the risk of carbide precipitation. This combination of materials ensures that these buttweld fittings can withstand aggressive environments and harsh conditions.
Table Of Content
Key features of Stainless Steel 304/304L Buttweld Fittings:
Corrosion Resistance: These fittings are highly resistant to corrosion, making them suitable for applications where exposure to corrosive fluids or chemicals is a concern.
Strength and Durability: Stainless Steel 304/304L has excellent strength and durability properties, ensuring that the fittings can endure high-pressure and high-temperature conditions.
Easy Welding: The low carbon content in 304L ensures that it can be easily welded without the risk of sensitization or intergranular corrosion, making it ideal for welding applications.
Versatility: These fittings come in various shapes and sizes, including elbows, tees, reducers, and caps, allowing for versatile use in different piping configurations.
Hygienic Applications: Their corrosion resistance and easy maintenance make them suitable for food, pharmaceutical, and sanitary applications.
Aesthetic Appeal: The polished surface of Stainless Steel 304/304L provides an attractive and clean finish, making it suitable for architectural and decorative applications.
Common applications for Stainless Steel 304 / 304L Buttweld Fittings include pipelines, chemical processing, food and beverage processing, oil and gas refineries, pharmaceutical manufacturing, and water treatment plants.
ASTM A403 / ASME SA403
ANSI B16.9, B16.25, B16.28, MSS-SP-43, MSS-SP-48, MSS-SP-59
Seamless Butt Weld Fittings : 1/2″ – 10″ Welded Butt Weld Fittings : 1/2″ – 48″
Seamless / Welded / Fabricated
SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
from 2 to 40 mm
R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
90 Deg. Elbow, 45 Degree Elbow, LR/SR Elbow, Reducers, Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short / Long stubends, End Cap, Lap-joint Stub End
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
| SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03Х18Н11 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
| Grade | Density | Melting Point | Tensilee Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 304/304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 40 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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